Description
The JBL SRX818S is a passive 18-inch subwoofer system designed for concert, touring, portable sound, and permanent installation applications. It delivers powerful low-frequency performance for musicians, bands, DJs, public speaking, rental systems, and installed sound environments such as performance venues, corporate spaces, educational facilities, and houses of worship. With premium JBL transducers, rugged enclosure construction, M20 pole mount support, and strong power handling, the SRX818S is built for reliable professional bass performance.
More Information
Key Features
- Passive 18-inch subwoofer system
- Designed for concert, touring, and installed sound applications
- Premium JBL transducer for professional low-frequency performance
- Rugged and versatile enclosure design
- Tunings available for Crown amplifiers and dbx signal processors
- Fully supported in Audio Architect
- 2400W peak power handling
- Frequency range down to 28 Hz
- 2279H 18-inch LF woofer
- M20 threaded pole mount for use with top speakers
- Indexing feet for stacking in standard and cardioid positions
- Accepts JBL WK-4S caster kit
- Durable 18 mm DuraFlex coated plywood enclosure
- Obsidian DuraFlex finish for rugged use
- Powder-coated 14-gauge perforated steel grille
- Suitable for live performance systems
- Ideal for mobile and fixed DJ systems
- Suitable for sound system rental and touring
- Suitable for permanent installations
Technical Specification
- Model: JBL SRX818S
- Product Type: Passive 18-Inch Subwoofer System
- System Type: Passive 18-inch subwoofer system
- Maximum SPL Output: 123 dB continuous / 129 dB peak
- Frequency Range (-10 dB): 28 Hz – 150 Hz
- Frequency Response (-3 dB): 45 Hz – 150 Hz
- Sensitivity: 95 dB
- System Power Rating: 600 W continuous / 1200 W program / 2400 W peak
- Nominal Impedance: 8 ohms
- Inputs: NL4 input, NL4 loop-thru
- Input Selection: +/-1 or +/-2 selectable
- Operational Mode: Passive
- LF Driver: 2279H
- Woofer Size: 18 inch
- Crossover Frequency: 80 Hz
- Enclosure: 18 mm DuraFlex coated plywood
- Suspension / Mounting: M20 threaded pole mount
- Casters: Accepts JBL WK-4S kit
- Handles: 4
- Finish: Obsidian DuraFlex finish
- Grille: Powder-coated obsidian 14-gauge perforated steel with acoustically transparent black cloth backing
- Dimensions (H x W x D): 683 x 684 x 575 mm
- Dimensions in Inches: 26.89 x 26.92 x 22.62 in
- Weight: 35.4 kg (78.0 lbs)
- Shipping Weight: 40.2 kg (88 lbs)
